aligned fetchaudiobuffer to getpredictbuffers

Mattk70 · Mar 28, 2024 · fc360b4 · fc360b4
1 parent 16c19ad
commit fc360b4
Show file tree

Hide file tree

Showing 3 changed files with 13 additions and 13 deletions.
diff --git a/js/state.js b/js/state.js
@@ -32,7 +32,7 @@ export class State {
             this.list = 'everything',
             this.customList = undefined,
             this.local = true,
-            this.incrementor = 250,
+            this.incrementor = 1,
             this.UUID = 0,
             this.track = true
     }

diff --git a/js/worker.js b/js/worker.js
@@ -1366,8 +1366,8 @@ const fetchAudioBuffer = async ({
     file = '', start = 0, end = metadata[file].duration
 }) => {
     //if (end - start < 0.1) return  // prevents dataset creation barfing with  v. short buffer
-    const stream = new PassThrough();
-    const data = [];
+    const stream = new PassThrough({end: false});
+    let concatenatedBuffer = Buffer.alloc(0);
             // Use ffmpeg to extract the specified audio segment
     return new Promise((resolve, reject) => {
         let command = ffmpeg(file)
@@ -1409,16 +1409,17 @@ const fetchAudioBuffer = async ({
         })
 
         stream.on('data', chunk => {
-            chunk.byteLength > 1 && data.push(chunk);
+            try {
+                concatenatedBuffer = concatenatedBuffer.length ?  Buffer.concat([concatenatedBuffer, chunk]) : chunk;
+            } catch (error) {
+                console.warn(error)
+            }
         });
 
         stream.on('end', async () => { 
-            if (data.length === 0) return;
-            //Add the audio header
-            data.unshift(CHIRPITY_HEADER)
-            // Concatenate the data chunks into a single Buffer
-            const audio = Buffer.concat(data);
-            // Native CHIRPITY_HEADER (24kHz) here for UI
+            if (concatenatedBuffer.length <= 1) return;
+            //Add the audio header for the UI
+            const audio = Buffer.concat([CHIRPITY_HEADER, concatenatedBuffer]);
             const offlineCtx = await setupCtx(audio, sampleRate, 'UI').catch( (error) => {console.error(error.message)});
             if (offlineCtx){
                 offlineCtx.startRendering().then(resampled => {
@@ -1428,7 +1429,6 @@ const fetchAudioBuffer = async ({
                 });
             }
         });
-
         command.run();
     });
 }

diff --git a/package.json b/package.json
@@ -1,13 +1,13 @@
 {
   "name": "chirpity",
-  "version": "1.6.3",
+  "version": "1.6.4",
   "description": "Chirpity Nocmig",
   "main": "main.js",
   "scripts": {
     "start": "electron .",
     "prebuild": "node prebuild.js",
     "minify": "node minify.js",
-    "export": "electron-builder build --linux",
+    "export": "electron-builder build --m",
     "build": "electron-builder --win --x64 -p always"
   },
   "repository": {